/Engine/Source/Editor/SceneOutliner/Public/SSceneOutliner.h
Add an interactive filter to the scene outliner
The index of the filter.
virtual int32 AddInteractiveFilter ( const [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [FSceneOutlinerFilter](API\Editor\SceneOutliner\FSceneOutlinerFilter) > & Filter )